﻿			

* {
  padding: 0;
  margin: 0;
}
ul {
  list-style: none;
}

.pptbox{
	width: 400px;
	height: 100px;
	position: relative;
	overflow: hidden;
}

.pptbox  .innerwrapper{
	width:2400px;/*当增加了li之后，大盒子的宽度也要相应的增加 这里增加了两个li，每个400，所以ul 从原来的1600变成了2400*/
	height: 100px;
	list-style: none;
	position: absolute;
	left: -400px;
}

.innerwrapper li
{
	width:400px;
	height:100px;
	float: left;
}
.innerwrapper li a
{
	display: block;
}

.innerwrapper li a img
{
	width: 400px;
	height:100px;
	display:block;
}
#btnleft_L{
	left:230px;
}
.btnleft{
	width: 20px;
	height: 50px;
	position: absolute;
	left:0px;
	top:25px;
	background-color: black;
	background-image:url(../../img/nav.png);
	background-position: -10px 4px;
	cursor: pointer;
	z-index: 0;
}

.btnright{
	width: 20px;
	height: 50px;
	position: absolute;
	right:0;
	top:25px;
	background-color: black;
	background-image:url(../../img/nav.png);
	background-position: -54px 4px;
	cursor: pointer;
	z-index: 0;
	
}

/*控制按钮开始*/

.controls{
	width:96px;
	position: absolute;
	left:152px;
	bottom:10px;
	list-style: none;
}
.controls li{
	width: 20px;
	height:20px;
	background-color: gold;
	float: left;
	margin-right: 5px;
	text-align: center;
	border-radius:10px ;
	cursor: pointer;
}

.controls li.current
{
	background-color:aqua;
	color: #fff;
}

/*控制按钮结束*/